"Hello,
Is the word "sadden" a verb or adjective in the following sentences?
1. He was greatly saddened by the death of his only son.
2. I was saddened when I heard about your fatherís death.
3. It saddens me to think that we'll never see her again."

It helps to read some articles on "How to find a verb" on Google. There are pages of them and they all offer different clues on how to find the verb. Once you have found the verb you can determine what parts of speech the others in the sentence are. A dictionary can help a lot.